California Code, Labor Code - LAB § 6399.7

No person shall discharge or in any manner discriminate against, any employee because such employee has filed any complaint or has instituted, or caused to be instituted, any proceeding under or related to the provisions of this chapter, or has testified, or is about to testify, in any such proceeding, or because of the exercise of any right afforded pursuant to the provisions of this chapter on such employee's behalf or on behalf of others, nor shall any pay, seniority, or other benefits be lost for exercise of any such right. A violation of the provisions of this section shall be a violation of the provisions of Section 6310.Notwithstanding Section 6303 or other law, as used in this section, “employee” includes a domestic work employee, except for a person who performs household domestic service that is publicly funded, including publicly funded household domestic service provided to a recipient, client, or beneficiary with a share of cost in that service.